$OpenBSD: patch-configure,v 1.4 2015/04/15 21:58:16 jeremy Exp $

Override the arch setting to remove OpenBSD version from it,
so ports don't have to be bumped when OpenBSD version changes.

--- configure.orig	Thu Jun 27 04:57:43 2013
+++ configure	Mon Apr 13 19:51:16 2015
@@ -10912,7 +10912,7 @@ if test "$enable_shared" = 'yes'; then
  	;;
     openbsd*)
 	SOLIBS='$(LIBS)'
-	LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).'`expr ${MINOR} \* 10 + ${TEENY}`
+	LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.'${LIBruby18_VERSION}
 	;;
     solaris*)
 	SOLIBS='$(LIBS)'
@@ -11215,7 +11215,10 @@ _ACEOF
 _ACEOF
 
 else
-    arch="${target_cpu}-${target_os}"
+    case "$target_os" in
+      openbsd*) arch="$target_cpu-openbsd" ;;
+      *) arch="${target_cpu}-${target_os}" ;;
+    esac
     cat >>confdefs.h <<_ACEOF
 #define RUBY_PLATFORM "${arch}"
 _ACEOF
